81186597891

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4170473}}^1$

素因数の和:4170592

約数の個数: 32

約数和(自身を含む): 138793374720

約数和(自身を除く): 57606776829

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 721, 927, 2163, 2781, 6489, 19467, 4170473, 12511419, 29193311, 37534257, 87579933, 112602771, 262739799, 429558719, 788219397, 1288676157, 3006911033, 3866028471, 9020733099, 11598085413, 27062199297, 81186597891]

約数ペア:

[(1, 81186597891), (3, 27062199297), (7, 11598085413), (9, 9020733099), (21, 3866028471), (27, 3006911033), (63, 1288676157), (103, 788219397), (189, 429558719), (309, 262739799), (721, 112602771), (927, 87579933), (2163, 37534257), (2781, 29193311), (6489, 12511419), (19467, 4170473)]